function rdfaViewerRun() {
	var settingData = chrome.extension.getBackgroundPage().rdfaSettingData;
    var app = new RDFaViewer(null, settingData.fileName, settingData.serverURL);

    // Send request to selected tab
    chrome.tabs.getSelected(null, function(tab) {
        chrome.tabs.sendRequest(tab.id, {
            senderId : "rdfa"
        }, function(response) {
            app.loadData(response.data);
        });
    });
}
